Abstract: An adapter is provided. The adapter features a main body with a flat panel and a series of uniquely designed brackets for enhanced connectivity. Each bracket comprises a central plate with a connector portion, flanked by two outer plates, separated by gaps from the connector. This structure offers robust support and versatile connection capabilities, suitable for diverse applications. The adapter's innovative bracket design ensures reliable functionality and structural integrity.

Abstract: A hook device is disclosed. The device comprises a body portion having a strap bent to form a loop; a hook portion connected to one of the ends of the body portion; and an elongated member connected to one of the ends, opposite to the end connected to the hook portion.

Abstract: An ultraviolet court-illumination system is used to light a playing court and any related equipment in a fluorescent manner. The system includes at least one playing court, a first plurality of ultraviolet (UV) court lights, a plurality of fluorescent game boundary-markers, and at least one fluorescent game fixture. The playing court is used for playing games or sports. The plurality of fluorescent game boundary-markers is superimposed onto the playing court and is used to delineate the boundaries of the playing court. The fluorescent game fixture is mounted onto the playing court and may be a net, a goal, or any other fixture used to play the sport. Each of the first plurality of UV court lights is peripherally positioned about the playing court and is used to illuminate the fluorescent game boundary-markers and the fluorescent game fixture. The first plurality of UV court lights is powered by a power source.

Abstract: An ultraviolet court-illumination system is used to light a playing court and any related equipment in a fluorescent manner. The system includes at least one playing court, a first plurality of ultraviolet (UV) court lights, a plurality of fluorescent game boundary-markers, and at least one fluorescent game fixture. The playing court is used for playing games or sports. The plurality of fluorescent game boundary-markers is superimposed onto the playing court and is used to delineate the boundaries of the playing court. The fluorescent game fixture is mounted onto the playing court and may be a net, a goal, or any other fixture used to play the sport. Each of the first plurality of UV court lights is peripherally positioned about the playing court and is used to illuminate the fluorescent game boundary-markers and the fluorescent game fixture. The first plurality of UV court lights is powered by a power source.